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| ; | |
| var __importDefault = (this && this.__importDefault) || function (mod) { | |
| return (mod && mod.__esModule) ? mod : { "default": mod }; | |
| }; | |
| Object.defineProperty(exports, "__esModule", { value: true }); | |
| exports.jack = exports.Jack = exports.isConfigOption = exports.isConfigType = void 0; | |
| const node_util_1 = require("node:util"); | |
| const parse_args_js_1 = require("./parse-args.js"); | |
| // it's a tiny API, just cast it inline, it's fine | |
| //@ts-ignore | |
| const cliui_1 = __importDefault(require("@isaacs/cliui")); | |
| const node_path_1 = require("node:path"); | |
| const width = Math.min((process && process.stdout && process.stdout.columns) || 80, 80); | |
| // indentation spaces from heading level | |
| const indent = (n) => (n - 1) * 2; | |
| const toEnvKey = (pref, key) => { | |
| return [pref, key.replace(/[^a-zA-Z0-9]+/g, ' ')] | |
| .join(' ') | |
| .trim() | |
| .toUpperCase() | |
| .replace(/ /g, '_'); | |
| }; | |
| const toEnvVal = (value, delim = '\n') => { | |
| const str = typeof value === 'string' ? value | |
| : typeof value === 'boolean' ? | |
| value ? '1' | |
| : '0' | |
| : typeof value === 'number' ? String(value) | |
| : Array.isArray(value) ? | |
| value.map((v) => toEnvVal(v)).join(delim) | |
| : /* c8 ignore start */ undefined; | |
| if (typeof str !== 'string') { | |
| throw new Error(`could not serialize value to environment: ${JSON.stringify(value)}`); | |
| } | |
| /* c8 ignore stop */ | |
| return str; | |
| }; | |
| const fromEnvVal = (env, type, multiple, delim = '\n') => (multiple ? | |
| env ? env.split(delim).map(v => fromEnvVal(v, type, false)) | |
| : [] | |
| : type === 'string' ? env | |
| : type === 'boolean' ? env === '1' | |
| : +env.trim()); | |
| const isConfigType = (t) => typeof t === 'string' && | |
| (t === 'string' || t === 'number' || t === 'boolean'); | |
| exports.isConfigType = isConfigType; | |
| const undefOrType = (v, t) => v === undefined || typeof v === t; | |
| const undefOrTypeArray = (v, t) => v === undefined || (Array.isArray(v) && v.every(x => typeof x === t)); | |
| const isValidOption = (v, vo) => Array.isArray(v) ? v.every(x => isValidOption(x, vo)) : vo.includes(v); | |
| // print the value type, for error message reporting | |
| const valueType = (v) => typeof v === 'string' ? 'string' | |
| : typeof v === 'boolean' ? 'boolean' | |
| : typeof v === 'number' ? 'number' | |
| : Array.isArray(v) ? | |
| joinTypes([...new Set(v.map(v => valueType(v)))]) + '[]' | |
| : `${v.type}${v.multiple ? '[]' : ''}`; | |
| const joinTypes = (types) => types.length === 1 && typeof types[0] === 'string' ? | |
| types[0] | |
| : `(${types.join('|')})`; | |
| const isValidValue = (v, type, multi) => { | |
| if (multi) { | |
| if (!Array.isArray(v)) | |
| return false; | |
| return !v.some((v) => !isValidValue(v, type, false)); | |
| } | |
| if (Array.isArray(v)) | |
| return false; | |
| return typeof v === type; | |
| }; | |
| const isConfigOption = (o, type, multi) => !!o && | |
| typeof o === 'object' && | |
| (0, exports.isConfigType)(o.type) && | |
| o.type === type && | |
| undefOrType(o.short, 'string') && | |
| undefOrType(o.description, 'string') && | |
| undefOrType(o.hint, 'string') && | |
| undefOrType(o.validate, 'function') && | |
| (o.type === 'boolean' ? | |
| o.validOptions === undefined | |
| : undefOrTypeArray(o.validOptions, o.type)) && | |
| (o.default === undefined || isValidValue(o.default, type, multi)) && | |
| !!o.multiple === multi; | |
| exports.isConfigOption = isConfigOption; | |
| function num(o = {}) { | |
| const { default: def, validate: val, validOptions, ...rest } = o; | |
| if (def !== undefined && !isValidValue(def, 'number', false)) { | |
| throw new TypeError('invalid default value', { | |
| cause: { | |
| found: def, | |
| wanted: 'number', | |
| }, | |
| }); | |
| } | |
| if (!undefOrTypeArray(validOptions, 'number')) { | |
| throw new TypeError('invalid validOptions', { | |
| cause: { | |
| found: validOptions, | |
| wanted: 'number[]', | |
| }, | |
| }); | |
| } | |
| const validate = val ? | |
| val | |
| : undefined; | |
| return { | |
| ...rest, | |
| default: def, | |
| validate, | |
| validOptions, | |
| type: 'number', | |
| multiple: false, | |
| }; | |
| } | |
| function numList(o = {}) { | |
| const { default: def, validate: val, validOptions, ...rest } = o; | |
| if (def !== undefined && !isValidValue(def, 'number', true)) { | |
| throw new TypeError('invalid default value', { | |
| cause: { | |
| found: def, | |
| wanted: 'number[]', | |
| }, | |
| }); | |
| } | |
| if (!undefOrTypeArray(validOptions, 'number')) { | |
| throw new TypeError('invalid validOptions', { | |
| cause: { | |
| found: validOptions, | |
| wanted: 'number[]', | |
| }, | |
| }); | |
| } | |
| const validate = val ? | |
| val | |
| : undefined; | |
| return { | |
| ...rest, | |
| default: def, | |
| validate, | |
| validOptions, | |
| type: 'number', | |
| multiple: true, | |
| }; | |
| } | |
| function opt(o = {}) { | |
| const { default: def, validate: val, validOptions, ...rest } = o; | |
| if (def !== undefined && !isValidValue(def, 'string', false)) { | |
| throw new TypeError('invalid default value', { | |
| cause: { | |
| found: def, | |
| wanted: 'string', | |
| }, | |
| }); | |
| } | |
| if (!undefOrTypeArray(validOptions, 'string')) { | |
| throw new TypeError('invalid validOptions', { | |
| cause: { | |
| found: validOptions, | |
| wanted: 'string[]', | |
| }, | |
| }); | |
| } | |
| const validate = val ? | |
| val | |
| : undefined; | |
| return { | |
| ...rest, | |
| default: def, | |
| validate, | |
| validOptions, | |
| type: 'string', | |
| multiple: false, | |
| }; | |
| } | |
| function optList(o = {}) { | |
| const { default: def, validate: val, validOptions, ...rest } = o; | |
| if (def !== undefined && !isValidValue(def, 'string', true)) { | |
| throw new TypeError('invalid default value', { | |
| cause: { | |
| found: def, | |
| wanted: 'string[]', | |
| }, | |
| }); | |
| } | |
| if (!undefOrTypeArray(validOptions, 'string')) { | |
| throw new TypeError('invalid validOptions', { | |
| cause: { | |
| found: validOptions, | |
| wanted: 'string[]', | |
| }, | |
| }); | |
| } | |
| const validate = val ? | |
| val | |
| : undefined; | |
| return { | |
| ...rest, | |
| default: def, | |
| validate, | |
| validOptions, | |
| type: 'string', | |
| multiple: true, | |
| }; | |
| } | |
| function flag(o = {}) { | |
| const { hint, default: def, validate: val, ...rest } = o; | |
| delete rest.validOptions; | |
| if (def !== undefined && !isValidValue(def, 'boolean', false)) { | |
| throw new TypeError('invalid default value'); | |
| } | |
| const validate = val ? | |
| val | |
| : undefined; | |
| if (hint !== undefined) { | |
| throw new TypeError('cannot provide hint for flag'); | |
| } | |
| return { | |
| ...rest, | |
| default: def, | |
| validate, | |
| type: 'boolean', | |
| multiple: false, | |
| }; | |
| } | |
| function flagList(o = {}) { | |
| const { hint, default: def, validate: val, ...rest } = o; | |
| delete rest.validOptions; | |
| if (def !== undefined && !isValidValue(def, 'boolean', true)) { | |
| throw new TypeError('invalid default value'); | |
| } | |
| const validate = val ? | |
| val | |
| : undefined; | |
| if (hint !== undefined) { | |
| throw new TypeError('cannot provide hint for flag list'); | |
| } | |
| return { | |
| ...rest, | |
| default: def, | |
| validate, | |
| type: 'boolean', | |
| multiple: true, | |
| }; | |
| } | |
| const toParseArgsOptionsConfig = (options) => { | |
| const c = {}; | |
| for (const longOption in options) { | |
| const config = options[longOption]; | |
| /* c8 ignore start */ | |
| if (!config) { | |
| throw new Error('config must be an object: ' + longOption); | |
| } | |
| /* c8 ignore start */ | |
| if ((0, exports.isConfigOption)(config, 'number', true)) { | |
| c[longOption] = { | |
| type: 'string', | |
| multiple: true, | |
| default: config.default?.map(c => String(c)), | |
| }; | |
| } | |
| else if ((0, exports.isConfigOption)(config, 'number', false)) { | |
| c[longOption] = { | |
| type: 'string', | |
| multiple: false, | |
| default: config.default === undefined ? | |
| undefined | |
| : String(config.default), | |
| }; | |
| } | |
| else { | |
| const conf = config; | |
| c[longOption] = { | |
| type: conf.type, | |
| multiple: !!conf.multiple, | |
| default: conf.default, | |
| }; | |
| } | |
| const clo = c[longOption]; | |
| if (typeof config.short === 'string') { | |
| clo.short = config.short; | |
| } | |
| if (config.type === 'boolean' && | |
| !longOption.startsWith('no-') && | |
| !options[`no-${longOption}`]) { | |
| c[`no-${longOption}`] = { | |
| type: 'boolean', | |
| multiple: config.multiple, | |
| }; | |
| } | |
| } | |
| return c; | |
| }; | |
| const isHeading = (r) => r.type === 'heading'; | |
| const isDescription = (r) => r.type === 'description'; | |
| /** | |
| * Class returned by the {@link jack} function and all configuration | |
| * definition methods. This is what gets chained together. | |
| */ | |
| class Jack { | |
| #configSet; | |
| #shorts; | |
| #options; | |
| #fields = []; | |
| #env; | |
| #envPrefix; | |
| #allowPositionals; | |
| #usage; | |
| #usageMarkdown; | |
| constructor(options = {}) { | |
| this.#options = options; | |
| this.#allowPositionals = options.allowPositionals !== false; | |
| this.#env = | |
| this.#options.env === undefined ? process.env : this.#options.env; | |
| this.#envPrefix = options.envPrefix; | |
| // We need to fib a little, because it's always the same object, but it | |
| // starts out as having an empty config set. Then each method that adds | |
| // fields returns `this as Jack<C & { ...newConfigs }>` | |
| this.#configSet = Object.create(null); | |
| this.#shorts = Object.create(null); | |
| } | |
| /** | |
| * Set the default value (which will still be overridden by env or cli) | |
| * as if from a parsed config file. The optional `source` param, if | |
| * provided, will be included in error messages if a value is invalid or | |
| * unknown. | |
| */ | |
| setConfigValues(values, source = '') { | |
| try { | |
| this.validate(values); | |
| } | |
| catch (er) { | |
| const e = er; | |
| if (source && e && typeof e === 'object') { | |
| if (e.cause && typeof e.cause === 'object') { | |
| Object.assign(e.cause, { path: source }); | |
| } | |
| else { | |
| e.cause = { path: source }; | |
| } | |
| } | |
| throw e; | |
| } | |
| for (const [field, value] of Object.entries(values)) { | |
| const my = this.#configSet[field]; | |
| // already validated, just for TS's benefit | |
| /* c8 ignore start */ | |
| if (!my) { | |
| throw new Error('unexpected field in config set: ' + field, { | |
| cause: { found: field }, | |
| }); | |
| } | |
| /* c8 ignore stop */ | |
| my.default = value; | |
| } | |
| return this; | |
| } | |
| /** | |
| * Parse a string of arguments, and return the resulting | |
| * `{ values, positionals }` object. | |
| * | |
| * If an {@link JackOptions#envPrefix} is set, then it will read default | |
| * values from the environment, and write the resulting values back | |
| * to the environment as well. | |
| * | |
| * Environment values always take precedence over any other value, except | |
| * an explicit CLI setting. | |
| */ | |
| parse(args = process.argv) { | |
| this.loadEnvDefaults(); | |
| const p = this.parseRaw(args); | |
| this.applyDefaults(p); | |
| this.writeEnv(p); | |
| return p; | |
| } | |
| loadEnvDefaults() { | |
| if (this.#envPrefix) { | |
| for (const [field, my] of Object.entries(this.#configSet)) { | |
| const ek = toEnvKey(this.#envPrefix, field); | |
| const env = this.#env[ek]; | |
| if (env !== undefined) { | |
| my.default = fromEnvVal(env, my.type, !!my.multiple, my.delim); | |
| } | |
| } | |
| } | |
| } | |
| applyDefaults(p) { | |
| for (const [field, c] of Object.entries(this.#configSet)) { | |
| if (c.default !== undefined && !(field in p.values)) { | |
| //@ts-ignore | |
| p.values[field] = c.default; | |
| } | |
| } | |
| } | |
| /** | |
| * Only parse the command line arguments passed in. | |
| * Does not strip off the `node script.js` bits, so it must be just the | |
| * arguments you wish to have parsed. | |
| * Does not read from or write to the environment, or set defaults. | |
| */ | |
| parseRaw(args) { | |
| if (args === process.argv) { | |
| args = args.slice(process._eval !== undefined ? 1 : 2); | |
| } | |
| const options = toParseArgsOptionsConfig(this.#configSet); | |
| const result = (0, parse_args_js_1.parseArgs)({ | |
| args, | |
| options, | |
| // always strict, but using our own logic | |
| strict: false, | |
| allowPositionals: this.#allowPositionals, | |
| tokens: true, | |
| }); | |
| const p = { | |
| values: {}, | |
| positionals: [], | |
| }; | |
| for (const token of result.tokens) { | |
| if (token.kind === 'positional') { | |
| p.positionals.push(token.value); | |
| if (this.#options.stopAtPositional || | |
| this.#options.stopAtPositionalTest?.(token.value)) { | |
| p.positionals.push(...args.slice(token.index + 1)); | |
| break; | |
| } | |
| } | |
| else if (token.kind === 'option') { | |
| let value = undefined; | |
| if (token.name.startsWith('no-')) { | |
| const my = this.#configSet[token.name]; | |
| const pname = token.name.substring('no-'.length); | |
| const pos = this.#configSet[pname]; | |
| if (pos && | |
| pos.type === 'boolean' && | |
| (!my || | |
| (my.type === 'boolean' && !!my.multiple === !!pos.multiple))) { | |
| value = false; | |
| token.name = pname; | |
| } | |
| } | |
| const my = this.#configSet[token.name]; | |
| if (!my) { | |
| throw new Error(`Unknown option '${token.rawName}'. ` + | |
| `To specify a positional argument starting with a '-', ` + | |
| `place it at the end of the command after '--', as in ` + | |
| `'-- ${token.rawName}'`, { | |
| cause: { | |
| found: token.rawName + (token.value ? `=${token.value}` : ''), | |
| }, | |
| }); | |
| } | |
| if (value === undefined) { | |
| if (token.value === undefined) { | |
| if (my.type !== 'boolean') { | |
| throw new Error(`No value provided for ${token.rawName}, expected ${my.type}`, { | |
| cause: { | |
| name: token.rawName, | |
| wanted: valueType(my), | |
| }, | |
| }); | |
| } | |
| value = true; | |
| } | |
| else { | |
| if (my.type === 'boolean') { | |
| throw new Error(`Flag ${token.rawName} does not take a value, received '${token.value}'`, { cause: { found: token } }); | |
| } | |
| if (my.type === 'string') { | |
| value = token.value; | |
| } | |
| else { | |
| value = +token.value; | |
| if (value !== value) { | |
| throw new Error(`Invalid value '${token.value}' provided for ` + | |
| `'${token.rawName}' option, expected number`, { | |
| cause: { | |
| name: token.rawName, | |
| found: token.value, | |
| wanted: 'number', | |
| }, | |
| }); | |
| } | |
| } | |
| } | |
| } | |
| if (my.multiple) { | |
| const pv = p.values; | |
| const tn = pv[token.name] ?? []; | |
| pv[token.name] = tn; | |
| tn.push(value); | |
| } | |
| else { | |
| const pv = p.values; | |
| pv[token.name] = value; | |
| } | |
| } | |
| } | |
| for (const [field, value] of Object.entries(p.values)) { | |
| const valid = this.#configSet[field]?.validate; | |
| const validOptions = this.#configSet[field]?.validOptions; | |
| let cause; | |
| if (validOptions && !isValidOption(value, validOptions)) { | |
| cause = { name: field, found: value, validOptions: validOptions }; | |
| } | |
| if (valid && !valid(value)) { | |
| cause = cause || { name: field, found: value }; | |
| } | |
| if (cause) { | |
| throw new Error(`Invalid value provided for --${field}: ${JSON.stringify(value)}`, { cause }); | |
| } | |
| } | |
| return p; | |
| } | |
| /** | |
| * do not set fields as 'no-foo' if 'foo' exists and both are bools | |
| * just set foo. | |
| */ | |
| #noNoFields(f, val, s = f) { | |
| if (!f.startsWith('no-') || typeof val !== 'boolean') | |
| return; | |
| const yes = f.substring('no-'.length); | |
| // recurse so we get the core config key we care about. | |
| this.#noNoFields(yes, val, s); | |
| if (this.#configSet[yes]?.type === 'boolean') { | |
| throw new Error(`do not set '${s}', instead set '${yes}' as desired.`, { cause: { found: s, wanted: yes } }); | |
| } | |
| } | |
| /** | |
| * Validate that any arbitrary object is a valid configuration `values` | |
| * object. Useful when loading config files or other sources. | |
| */ | |
| validate(o) { | |
| if (!o || typeof o !== 'object') { | |
| throw new Error('Invalid config: not an object', { | |
| cause: { found: o }, | |
| }); | |
| } | |
| const opts = o; | |
| for (const field in o) { | |
| const value = opts[field]; | |
| /* c8 ignore next - for TS */ | |
| if (value === undefined) | |
| continue; | |
| this.#noNoFields(field, value); | |
| const config = this.#configSet[field]; | |
| if (!config) { | |
| throw new Error(`Unknown config option: ${field}`, { | |
| cause: { found: field }, | |
| }); | |
| } | |
| if (!isValidValue(value, config.type, !!config.multiple)) { | |
| throw new Error(`Invalid value ${valueType(value)} for ${field}, expected ${valueType(config)}`, { | |
| cause: { | |
| name: field, | |
| found: value, | |
| wanted: valueType(config), | |
| }, | |
| }); | |
| } | |
| let cause; | |
| if (config.validOptions && | |
| !isValidOption(value, config.validOptions)) { | |
| cause = { | |
| name: field, | |
| found: value, | |
| validOptions: config.validOptions, | |
| }; | |
| } | |
| if (config.validate && !config.validate(value)) { | |
| cause = cause || { name: field, found: value }; | |
| } | |
| if (cause) { | |
| throw new Error(`Invalid config value for ${field}: ${value}`, { | |
| cause, | |
| }); | |
| } | |
| } | |
| } | |
| writeEnv(p) { | |
| if (!this.#env || !this.#envPrefix) | |
| return; | |
| for (const [field, value] of Object.entries(p.values)) { | |
| const my = this.#configSet[field]; | |
| this.#env[toEnvKey(this.#envPrefix, field)] = toEnvVal(value, my?.delim); | |
| } | |
| } | |
| /** | |
| * Add a heading to the usage output banner | |
| */ | |
| heading(text, level, { pre = false } = {}) { | |
| if (level === undefined) { | |
| level = this.#fields.some(r => isHeading(r)) ? 2 : 1; | |
| } | |
| this.#fields.push({ type: 'heading', text, level, pre }); | |
| return this; | |
| } | |
| /** | |
| * Add a long-form description to the usage output at this position. | |
| */ | |
| description(text, { pre } = {}) { | |
| this.#fields.push({ type: 'description', text, pre }); | |
| return this; | |
| } | |
| /** | |
| * Add one or more number fields. | |
| */ | |
| num(fields) { | |
| return this.#addFields(fields, num); | |
| } | |
| /** | |
| * Add one or more multiple number fields. | |
| */ | |
| numList(fields) { | |
| return this.#addFields(fields, numList); | |
| } | |
| /** | |
| * Add one or more string option fields. | |
| */ | |
| opt(fields) { | |
| return this.#addFields(fields, opt); | |
| } | |
| /** | |
| * Add one or more multiple string option fields. | |
| */ | |
| optList(fields) { | |
| return this.#addFields(fields, optList); | |
| } | |
| /** | |
| * Add one or more flag fields. | |
| */ | |
| flag(fields) { | |
| return this.#addFields(fields, flag); | |
| } | |
| /** | |
| * Add one or more multiple flag fields. | |
| */ | |
| flagList(fields) { | |
| return this.#addFields(fields, flagList); | |
| } | |
| /** | |
| * Generic field definition method. Similar to flag/flagList/number/etc, | |
| * but you must specify the `type` (and optionally `multiple` and `delim`) | |
| * fields on each one, or Jack won't know how to define them. | |
| */ | |
| addFields(fields) { | |
| const next = this; | |
| for (const [name, field] of Object.entries(fields)) { | |
| this.#validateName(name, field); | |
| next.#fields.push({ | |
| type: 'config', | |
| name, | |
| value: field, | |
| }); | |
| } | |
| Object.assign(next.#configSet, fields); | |
| return next; | |
| } | |
| #addFields(fields, fn) { | |
| const next = this; | |
| Object.assign(next.#configSet, Object.fromEntries(Object.entries(fields).map(([name, field]) => { | |
| this.#validateName(name, field); | |
| const option = fn(field); | |
| next.#fields.push({ | |
| type: 'config', | |
| name, | |
| value: option, | |
| }); | |
| return [name, option]; | |
| }))); | |
| return next; | |
| } | |
| #validateName(name, field) { | |
| if (!/^[a-zA-Z0-9]([a-zA-Z0-9-]*[a-zA-Z0-9])?$/.test(name)) { | |
| throw new TypeError(`Invalid option name: ${name}, ` + | |
| `must be '-' delimited ASCII alphanumeric`); | |
| } | |
| if (this.#configSet[name]) { | |
| throw new TypeError(`Cannot redefine option ${field}`); | |
| } | |
| if (this.#shorts[name]) { | |
| throw new TypeError(`Cannot redefine option ${name}, already ` + | |
| `in use for ${this.#shorts[name]}`); | |
| } | |
| if (field.short) { | |
| if (!/^[a-zA-Z0-9]$/.test(field.short)) { | |
| throw new TypeError(`Invalid ${name} short option: ${field.short}, ` + | |
| 'must be 1 ASCII alphanumeric character'); | |
| } | |
| if (this.#shorts[field.short]) { | |
| throw new TypeError(`Invalid ${name} short option: ${field.short}, ` + | |
| `already in use for ${this.#shorts[field.short]}`); | |
| } | |
| this.#shorts[field.short] = name; | |
| this.#shorts[name] = name; | |
| } | |
| } | |
| /** | |
| * Return the usage banner for the given configuration | |
| */ | |
| usage() { | |
| if (this.#usage) | |
| return this.#usage; | |
| let headingLevel = 1; | |
| const ui = (0, cliui_1.default)({ width }); | |
| const first = this.#fields[0]; | |
| let start = first?.type === 'heading' ? 1 : 0; | |
| if (first?.type === 'heading') { | |
| ui.div({ | |
| padding: [0, 0, 0, 0], | |
| text: normalize(first.text), | |
| }); | |
| } | |
| ui.div({ padding: [0, 0, 0, 0], text: 'Usage:' }); | |
| if (this.#options.usage) { | |
| ui.div({ | |
| text: this.#options.usage, | |
| padding: [0, 0, 0, 2], | |
| }); | |
| } | |
| else { | |
| const cmd = (0, node_path_1.basename)(String(process.argv[1])); | |
| const shortFlags = []; | |
| const shorts = []; | |
| const flags = []; | |
| const opts = []; | |
| for (const [field, config] of Object.entries(this.#configSet)) { | |
| if (config.short) { | |
| if (config.type === 'boolean') | |
| shortFlags.push(config.short); | |
| else | |
| shorts.push([config.short, config.hint || field]); | |
| } | |
| else { | |
| if (config.type === 'boolean') | |
| flags.push(field); | |
| else | |
| opts.push([field, config.hint || field]); | |
| } | |
| } | |
| const sf = shortFlags.length ? ' -' + shortFlags.join('') : ''; | |
| const so = shorts.map(([k, v]) => ` --${k}=<${v}>`).join(''); | |
| const lf = flags.map(k => ` --${k}`).join(''); | |
| const lo = opts.map(([k, v]) => ` --${k}=<${v}>`).join(''); | |
| const usage = `${cmd}${sf}${so}${lf}${lo}`.trim(); | |
| ui.div({ | |
| text: usage, | |
| padding: [0, 0, 0, 2], | |
| }); | |
| } | |
| ui.div({ padding: [0, 0, 0, 0], text: '' }); | |
| const maybeDesc = this.#fields[start]; | |
| if (maybeDesc && isDescription(maybeDesc)) { | |
| const print = normalize(maybeDesc.text, maybeDesc.pre); | |
| start++; | |
| ui.div({ padding: [0, 0, 0, 0], text: print }); | |
| ui.div({ padding: [0, 0, 0, 0], text: '' }); | |
| } | |
| const { rows, maxWidth } = this.#usageRows(start); | |
| // every heading/description after the first gets indented by 2 | |
| // extra spaces. | |
| for (const row of rows) { | |
| if (row.left) { | |
| // If the row is too long, don't wrap it | |
| // Bump the right-hand side down a line to make room | |
| const configIndent = indent(Math.max(headingLevel, 2)); | |
| if (row.left.length > maxWidth - 3) { | |
| ui.div({ text: row.left, padding: [0, 0, 0, configIndent] }); | |
| ui.div({ text: row.text, padding: [0, 0, 0, maxWidth] }); | |
| } | |
| else { | |
| ui.div({ | |
| text: row.left, | |
| padding: [0, 1, 0, configIndent], | |
| width: maxWidth, | |
| }, { padding: [0, 0, 0, 0], text: row.text }); | |
| } | |
| if (row.skipLine) { | |
| ui.div({ padding: [0, 0, 0, 0], text: '' }); | |
| } | |
| } | |
| else { | |
| if (isHeading(row)) { | |
| const { level } = row; | |
| headingLevel = level; | |
| // only h1 and h2 have bottom padding | |
| // h3-h6 do not | |
| const b = level <= 2 ? 1 : 0; | |
| ui.div({ ...row, padding: [0, 0, b, indent(level)] }); | |
| } | |
| else { | |
| ui.div({ ...row, padding: [0, 0, 1, indent(headingLevel + 1)] }); | |
| } | |
| } | |
| } | |
| return (this.#usage = ui.toString()); | |
| } | |
| /** | |
| * Return the usage banner markdown for the given configuration | |
| */ | |
| usageMarkdown() { | |
| if (this.#usageMarkdown) | |
| return this.#usageMarkdown; | |
| const out = []; | |
| let headingLevel = 1; | |
| const first = this.#fields[0]; | |
| let start = first?.type === 'heading' ? 1 : 0; | |
| if (first?.type === 'heading') { | |
| out.push(`# ${normalizeOneLine(first.text)}`); | |
| } | |
| out.push('Usage:'); | |
| if (this.#options.usage) { | |
| out.push(normalizeMarkdown(this.#options.usage, true)); | |
| } | |
| else { | |
| const cmd = (0, node_path_1.basename)(String(process.argv[1])); | |
| const shortFlags = []; | |
| const shorts = []; | |
| const flags = []; | |
| const opts = []; | |
| for (const [field, config] of Object.entries(this.#configSet)) { | |
| if (config.short) { | |
| if (config.type === 'boolean') | |
| shortFlags.push(config.short); | |
| else | |
| shorts.push([config.short, config.hint || field]); | |
| } | |
| else { | |
| if (config.type === 'boolean') | |
| flags.push(field); | |
| else | |
| opts.push([field, config.hint || field]); | |
| } | |
| } | |
| const sf = shortFlags.length ? ' -' + shortFlags.join('') : ''; | |
| const so = shorts.map(([k, v]) => ` --${k}=<${v}>`).join(''); | |
| const lf = flags.map(k => ` --${k}`).join(''); | |
| const lo = opts.map(([k, v]) => ` --${k}=<${v}>`).join(''); | |
| const usage = `${cmd}${sf}${so}${lf}${lo}`.trim(); | |
| out.push(normalizeMarkdown(usage, true)); | |
| } | |
| const maybeDesc = this.#fields[start]; | |
| if (maybeDesc && isDescription(maybeDesc)) { | |
| out.push(normalizeMarkdown(maybeDesc.text, maybeDesc.pre)); | |
| start++; | |
| } | |
| const { rows } = this.#usageRows(start); | |
| // heading level in markdown is number of # ahead of text | |
| for (const row of rows) { | |
| if (row.left) { | |
| out.push('#'.repeat(headingLevel + 1) + | |
| ' ' + | |
| normalizeOneLine(row.left, true)); | |
| if (row.text) | |
| out.push(normalizeMarkdown(row.text)); | |
| } | |
| else if (isHeading(row)) { | |
| const { level } = row; | |
| headingLevel = level; | |
| out.push(`${'#'.repeat(headingLevel)} ${normalizeOneLine(row.text, row.pre)}`); | |
| } | |
| else { | |
| out.push(normalizeMarkdown(row.text, !!row.pre)); | |
| } | |
| } | |
| return (this.#usageMarkdown = out.join('\n\n') + '\n'); | |
| } | |
| #usageRows(start) { | |
| // turn each config type into a row, and figure out the width of the | |
| // left hand indentation for the option descriptions. | |
| let maxMax = Math.max(12, Math.min(26, Math.floor(width / 3))); | |
| let maxWidth = 8; | |
| let prev = undefined; | |
| const rows = []; | |
| for (const field of this.#fields.slice(start)) { | |
| if (field.type !== 'config') { | |
| if (prev?.type === 'config') | |
| prev.skipLine = true; | |
| prev = undefined; | |
| field.text = normalize(field.text, !!field.pre); | |
| rows.push(field); | |
| continue; | |
| } | |
| const { value } = field; | |
| const desc = value.description || ''; | |
| const mult = value.multiple ? 'Can be set multiple times' : ''; | |
| const opts = value.validOptions?.length ? | |
| `Valid options:${value.validOptions.map(v => ` ${JSON.stringify(v)}`)}` | |
| : ''; | |
| const dmDelim = desc.includes('\n') ? '\n\n' : '\n'; | |
| const extra = [opts, mult].join(dmDelim).trim(); | |
| const text = (normalize(desc) + dmDelim + extra).trim(); | |
| const hint = value.hint || | |
| (value.type === 'number' ? 'n' | |
| : value.type === 'string' ? field.name | |
| : undefined); | |
| const short = !value.short ? '' | |
| : value.type === 'boolean' ? `-${value.short} ` | |
| : `-${value.short}<${hint}> `; | |
| const left = value.type === 'boolean' ? | |
| `${short}--${field.name}` | |
| : `${short}--${field.name}=<${hint}>`; | |
| const row = { text, left, type: 'config' }; | |
| if (text.length > width - maxMax) { | |
| row.skipLine = true; | |
| } | |
| if (prev && left.length > maxMax) | |
| prev.skipLine = true; | |
| prev = row; | |
| const len = left.length + 4; | |
| if (len > maxWidth && len < maxMax) { | |
| maxWidth = len; | |
| } | |
| rows.push(row); | |
| } | |
| return { rows, maxWidth }; | |
| } | |
| /** | |
| * Return the configuration options as a plain object | |
| */ | |
| toJSON() { | |
| return Object.fromEntries(Object.entries(this.#configSet).map(([field, def]) => [ | |
| field, | |
| { | |
| type: def.type, | |
| ...(def.multiple ? { multiple: true } : {}), | |
| ...(def.delim ? { delim: def.delim } : {}), | |
| ...(def.short ? { short: def.short } : {}), | |
| ...(def.description ? | |
| { description: normalize(def.description) } | |
| : {}), | |
| ...(def.validate ? { validate: def.validate } : {}), | |
| ...(def.validOptions ? { validOptions: def.validOptions } : {}), | |
| ...(def.default !== undefined ? { default: def.default } : {}), | |
| ...(def.hint ? { hint: def.hint } : {}), | |
| }, | |
| ])); | |
| } | |
| /** | |
| * Custom printer for `util.inspect` | |
| */ | |
| [node_util_1.inspect.custom](_, options) { | |
| return `Jack ${(0, node_util_1.inspect)(this.toJSON(), options)}`; | |
| } | |
| } | |
| exports.Jack = Jack; | |
| // Unwrap and un-indent, so we can wrap description | |
| // strings however makes them look nice in the code. | |
| const normalize = (s, pre = false) => { | |
| if (pre) | |
| // prepend a ZWSP to each line so cliui doesn't strip it. | |
| return s | |
| .split('\n') | |
| .map(l => `\u200b${l}`) | |
| .join('\n'); | |
| return s | |
| .split(/^\s*```\s*$/gm) | |
| .map((s, i) => { | |
| if (i % 2 === 1) { | |
| if (!s.trim()) { | |
| return `\`\`\`\n\`\`\`\n`; | |
| } | |
| // outdent the ``` blocks, but preserve whitespace otherwise. | |
| const split = s.split('\n'); | |
| // throw out the \n at the start and end | |
| split.pop(); | |
| split.shift(); | |
| const si = split.reduce((shortest, l) => { | |
| /* c8 ignore next */ | |
| const ind = l.match(/^\s*/)?.[0] ?? ''; | |
| if (ind.length) | |
| return Math.min(ind.length, shortest); | |
| else | |
| return shortest; | |
| }, Infinity); | |
| /* c8 ignore next */ | |
| const i = isFinite(si) ? si : 0; | |
| return ('\n```\n' + | |
| split.map(s => `\u200b${s.substring(i)}`).join('\n') + | |
| '\n```\n'); | |
| } | |
| return (s | |
| // remove single line breaks, except for lists | |
| .replace(/([^\n])\n[ \t]*([^\n])/g, (_, $1, $2) => !/^[-*]/.test($2) ? `${$1} ${$2}` : `${$1}\n${$2}`) | |
| // normalize mid-line whitespace | |
| .replace(/([^\n])[ \t]+([^\n])/g, '$1 $2') | |
| // two line breaks are enough | |
| .replace(/\n{3,}/g, '\n\n') | |
| // remove any spaces at the start of a line | |
| .replace(/\n[ \t]+/g, '\n') | |
| .trim()); | |
| }) | |
| .join('\n'); | |
| }; | |
| // normalize for markdown printing, remove leading spaces on lines | |
| const normalizeMarkdown = (s, pre = false) => { | |
| const n = normalize(s, pre).replace(/\\/g, '\\\\'); | |
| return pre ? | |
| `\`\`\`\n${n.replace(/\u200b/g, '')}\n\`\`\`` | |
| : n.replace(/\n +/g, '\n').trim(); | |
| }; | |
| const normalizeOneLine = (s, pre = false) => { | |
| const n = normalize(s, pre) | |
| .replace(/[\s\u200b]+/g, ' ') | |
| .trim(); | |
| return pre ? `\`${n}\`` : n; | |
| }; | |
| /** | |
| * Main entry point. Create and return a {@link Jack} object. | |
| */ | |
| const jack = (options = {}) => new Jack(options); | |
| exports.jack = jack; | |
| //# sourceMappingURL=index.js.map |